Home / 2,534.79-3,507.60-2,161.18

Finding the Fourth Proportional to 2,534.79, 3,507.60 and 2,161.18

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Solution

The fourth proportional to 2,534.79, 3,507.60 and 2,161.18 is: 2,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.79 : 3,507.60 = 2,161.18 : x
  2. Step 2: Convert to fraction form
    2,534.79/3,507.60 = 2,161.18/x
  3. Step 3: Cross multiply
    2,534.79x = 3,507.60 × 2,161.18
  4. Step 4: Simplify right side
    2,534.79x = 7,580,554.97
  5. Step 5: Solve for x
    x = 7,580,554.97/2,534.79
  6. Step 6: Final answer
    x = 2,990.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.